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United States Patent | 5,094,747 |
Johnson | March 10, 1992 |
Polynuclear aromatic hydrocarbon compounds (PNAs) are removed from motor vehicle fuel by passing the fuel through a sorbent which is placed either in the fuel line between the fuel tank and the engine or in the filler tube through which the vehicle is fueled.
Inventors: | Johnson; Alan B. (Attleboro, MA) |
Assignee: | Allied-Signal Inc. (Morristown, NJ) |
Appl. No.: | 584234 |
Filed: | September 18, 1990 |
Current U.S. Class: | 210/266; 210/282; 210/416.4 |
Intern'l Class: | B01D 035/02 |
Field of Search: | 210/266,282,283,497.3,497.5,416.1,416.4,909,168 123/196 R,196 A,557 |
4539107 | Sep., 1985 | Ayers | 210/416. |
4795556 | Jan., 1989 | Brotea et al. | 210/266. |
4810379 | Mar., 1989 | Barrington | 210/266. |
4919103 | Apr., 1990 | Ishiguro et al. | 123/557. |
4977871 | Dec., 1990 | Brownawell | 210/282. |
Emission and Effluent Control, Patterson and Kodukala, CEP Apr. 1981, pp. 48-54. |